Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Richard Gray Lassiter, M.D

Emergency Medicine Physician in Sun City West, AZ · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1376593780

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Registry record

Entity type Individual (Type 1)

Name Richard Gray Lassiter

Credential M.D

Sex Male

Practice address 14502 W Meeker Blvd, Sun City West, AZ, 85375

Phone (623) 975-8825

Enumeration date May 10, 2006

Last updated in NPPES Jun 6, 2011

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 34038 (AZ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
937609	Medicaid	AZ	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Richard Lassiter?

The National Provider Identifier (NPI) for Richard Lassiter is 1376593780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Richard Lassiter practice?

The practice location on file with NPPES is in Sun City West, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-06.